I WONDER - What Is House Dust Made Of? Me Pregunto - De Qué Está Hecho El Polvo?

The video explains that a significant portion of household dust is composed of dead skin cells. It describes how the skin sheds daily to allow for new skin growth, with complete regeneration occurring every 28 days. This process also facilitates the quick healing of small cuts on the skin.

What is the primary component of the dirt that accumulates in homes?

What is the reason small cuts in the skin heal quickly?